
Anua
A pore-refining serum formulated with niacinamide and salicylic acid to minimize enlarged pores and control excess sebum. Contains fermented ingredients and botanical extracts to smooth skin texture while strengthening the skin barrier.
Humectant that attracts and retains moisture
Humectant and solvent for ingredient delivery
Humectant and solvent that enhances hydration
Solvent and humectant for ingredient delivery
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in Potension Pore Tightening Boost Serum by Anua include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Salicylic Acid (BHA) (exfoliating, acne-fighting, pore-clearing), Evening Primrose Flower Extract (Antioxidant and soothing skin conditioning agent), Kudzu Root Extract (Antioxidant and skin soothing agent). Drawing on K-beauty research and community consensus, key ingredients show 88% effectiveness for blackheads in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Potension Pore Tightening Boost Serum is a Korean serum by Anua. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Potension Pore Tightening Boost Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 11 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Potension Pore Tightening Boost Serum by Anua is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
That $11 Korean cleanser outperforming your $38 one is not hiding anything. The low price comes from how the Korean beauty industry is built, not from what is in the bottle. With one geographic catch.
Sulwhasoo First Care Serum is a $90+ luxury product, which makes it one of the most counterfeited items in K-beauty. Here are five verifiable checks (from packaging weight to barcode origin) to confirm your bottle is real before it touches your face.